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在 Fe- Al/Al2 O3 复合材料中发现了内晶形纳米颗粒 .借助不同检测手段 ,研究了纳米晶粒的作用与组成 ,对纳米颗粒的形成机制进行了讨论 ,分析认为纳米颗粒韧化效应是复合材料强韧化的主要因素之一 .
Nanocrystalline particles were found in Fe-Al / Al 2 O 3 composites.With different detection methods, the effect and composition of nanocrystalline particles were studied and the formation mechanism of nanoparticles was discussed.The results show that the toughening effect of nano-particles is One of the main factors of strengthening and toughening of composites.